xref: /openbmc/qemu/target/i386/hvf/hvf-i386.h (revision f7160f32)
1 /*
2  * QEMU Hypervisor.framework (HVF) support
3  *
4  * Copyright 2017 Google Inc
5  *
6  * Adapted from target-i386/hax-i386.h:
7  * Copyright (c) 2011 Intel Corporation
8  *  Written by:
9  *  Jiang Yunhong<yunhong.jiang@intel.com>
10  *
11  * This work is licensed under the terms of the GNU GPL, version 2 or later.
12  * See the COPYING file in the top-level directory.
13  *
14  */
15 
16 #ifndef HVF_I386_H
17 #define HVF_I386_H
18 
19 #include "sysemu/accel.h"
20 #include "sysemu/hvf.h"
21 #include "cpu.h"
22 #include "x86.h"
23 
24 #define HVF_MAX_VCPU 0x10
25 
26 extern struct hvf_state hvf_global;
27 
28 struct hvf_vm {
29     int id;
30     struct hvf_vcpu_state *vcpus[HVF_MAX_VCPU];
31 };
32 
33 struct hvf_state {
34     uint32_t version;
35     struct hvf_vm *vm;
36     uint64_t mem_quota;
37 };
38 
39 /* hvf_slot flags */
40 #define HVF_SLOT_LOG (1 << 0)
41 
42 typedef struct hvf_slot {
43     uint64_t start;
44     uint64_t size;
45     uint8_t *mem;
46     int slot_id;
47     uint32_t flags;
48     MemoryRegion *region;
49 } hvf_slot;
50 
51 typedef struct hvf_vcpu_caps {
52     uint64_t vmx_cap_pinbased;
53     uint64_t vmx_cap_procbased;
54     uint64_t vmx_cap_procbased2;
55     uint64_t vmx_cap_entry;
56     uint64_t vmx_cap_exit;
57     uint64_t vmx_cap_preemption_timer;
58 } hvf_vcpu_caps;
59 
60 typedef struct HVFState {
61     AccelState parent;
62     hvf_slot slots[32];
63     int num_slots;
64 
65     hvf_vcpu_caps *hvf_caps;
66 } HVFState;
67 extern HVFState *hvf_state;
68 
69 void hvf_set_phys_mem(MemoryRegionSection *, bool);
70 void hvf_handle_io(CPUArchState *, uint16_t, void *, int, int, int);
71 hvf_slot *hvf_find_overlap_slot(uint64_t, uint64_t);
72 
73 #ifdef NEED_CPU_H
74 /* Functions exported to host specific mode */
75 
76 /* Host specific functions */
77 int hvf_inject_interrupt(CPUArchState *env, int vector);
78 int hvf_vcpu_run(struct hvf_vcpu_state *vcpu);
79 #endif
80 
81 #endif
82